Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Journal of Applied Physics
63 (1988), S. 3989-3990
ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
Magnetostriction can be used to effect a linear incremental motion device. Bidirectional incremental motion can be achieved in which the step size is set by the magnetostrictive coil's current. Such a device possesses the variable step width, characteristic of analog devices (unlike salient pole stepper motors). Once the step size is selected by the coil's current, the device behaves as a digital device with incrementally selected steps. Magnetostriction is a nonlinear function, dependent on the material. For the small incremental motion we examined, operation was essentially in the linear portion of the strain versus magnetic field strength curve.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.340572
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